(2R,3S,4S,5R,6R)-5-Acetoxy-6-[(2R,3S,4R,5R,6R)-5-azido-4-benzyloxy-6-(5-benzyloxycarbonylamino-pentyloxy)-2-benzyloxymethyl-tetrahydro-pyran-3-yloxy]-4-benzyloxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
吡啶 、
一水合肼 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以100%的产率得到(2R,3S,4S,5R,6R)-5-Acetoxy-6-[(2R,3S,4R,5R,6R)-5-azido-4-benzyloxy-6-(5-benzyloxycarbonylamino-pentyloxy)-2-benzyloxymethyl-tetrahydro-pyran-3-yloxy]-4-benzyloxy-3-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester